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Finding the Fourth Proportional to 587,035.20, 880,552.80 and 487,394.40

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Solution

The fourth proportional to 587,035.20, 880,552.80 and 487,394.40 is: 731,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,035.20 : 880,552.80 = 487,394.40 : x
  2. Step 2: Convert to fraction form
    587,035.20/880,552.80 = 487,394.40/x
  3. Step 3: Cross multiply
    587,035.20x = 880,552.80 × 487,394.40
  4. Step 4: Simplify right side
    587,035.20x = 429,176,503,624.32
  5. Step 5: Solve for x
    x = 429,176,503,624.32/587,035.20
  6. Step 6: Final answer
    x = 731,091.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.